ghc 7.4.1 in os x lion

gistfile1.txt

#
# Warning, if you prepended macports paths to your PATH, you may have issues.
#
# which ar  => /usr/bin/ar
# which gcc => /usr/bin/gcc
# which ld  => /usr/bin/ld
#
# maybe others are important too..
#

# install Xcode 4.3.1
# install Xcode command line tools
#  Navigate menus: Xcode -> Preferences -> Downloads -> Command Line Tools -> Install

#
# ghc 7.4.1
#
curl -O http://www.haskell.org/ghc/dist/7.4.1/GHC-7.4.1-x86_64.pkg
sudo installer -target / -pkg GHC-7.4.1-x86_64.pkg


#
# cabal-install
#

git clone git://github.com/ibtaylor/cabal-install.git
cd cabal-install
# Install ignoring any stuff in our normal PATH like /opt/local/bin (ports)
#  in user dir
bash -c 'unset PATH; . /etc/profile; bash bootstrap.sh --user'
#  or globally
sudo bash -c 'unset PATH; . /etc/profile; bash bootstrap.sh --global'